/* ==================== COLOR SCHEME ==================== */
:root {
    --primary-orange: #FF9800;
    --dark-orange: #FF6F00;
    --light-orange: #FFAB40;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --border-color: #dee2e6;
}

/* ==================== GENERAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

/* ==================== AUTH CONTAINER ==================== */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--light-orange) 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border-radius: 12px;
}

.login-card .card-body {
    background: white;
    border-radius: 12px;
}

.login-card form input {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    font-size: 1rem;
}

.login-card form input:focus {
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 152, 0, 0.25);
}

/* ==================== NAVBAR ==================== */
nav {
    background: white;
    border-bottom: 2px solid var(--primary-orange);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav .navbar-brand {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==================== CONTAINER ==================== */
.container-main {
    padding: 2rem 0;
    max-width: 1400px;
}

/* ==================== BUTTONS ==================== */
.btn-orange {
    background-color: var(--primary-orange);
    border-color: var(--primary-orange);
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 6px;
    padding: 0.5rem 1rem;
}

.btn-orange:hover {
    background-color: var(--dark-orange);
    border-color: var(--dark-orange);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
}

.btn-outline-orange {
    color: var(--primary-orange);
    border-color: var(--primary-orange);
    background-color: transparent;
}

.btn-outline-orange:hover {
    background-color: var(--primary-orange);
    color: white;
    border-color: var(--primary-orange);
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* ==================== TABS ==================== */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    gap: 0.5rem;
}

.nav-tabs .nav-link {
    color: var(--text-muted);
    border: none;
    border-bottom: 3px solid transparent;
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-orange);
    border-bottom-color: rgba(255, 152, 0, 0.3);
}

.nav-tabs .nav-link.active {
    color: var(--primary-orange);
    border-bottom-color: var(--primary-orange);
    background-color: transparent;
}

/* ==================== CARDS ==================== */
.card {
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.card-header {
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-dark);
    padding: 1rem;
    border-radius: 8px 8px 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* ==================== STAT CARDS ==================== */
.stat-card {
    border-left: 4px solid var(--primary-orange);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 152, 0, 0.2);
}

.stat-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.stat-card .text-muted {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ==================== TABLES ==================== */
.table {
    margin-bottom: 0;
}

.table-header-orange thead tr {
    background-color: var(--light-orange);
    color: white;
}

.table-header-orange thead th {
    color: white;
    font-weight: 600;
    border: none;
    padding: 0.75rem;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(255, 152, 0, 0.05);
}

.table td {
    padding: 0.75rem;
    vertical-align: middle;
}

.table-responsive {
    border-radius: 6px;
    overflow: hidden;
}

/* ==================== BADGES ==================== */
.badge {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
}

.badge.bg-success {
    background-color: #28a745 !important;
}

.badge.bg-danger {
    background-color: #dc3545 !important;
}

.badge.bg-warning {
    background-color: #ffc107 !important;
    color: #000;
}

.badge.bg-info {
    background-color: #17a2b8 !important;
}

/* ==================== FORMS ==================== */
.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 152, 0, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.35rem;
}

.input-group-text {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ==================== MODALS ==================== */
.modal-content {
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 2px solid var(--border-color);
}

.bg-orange {
    background-color: var(--primary-orange) !important;
}

.text-orange {
    color: var(--primary-orange);
}

.btn-close-white {
    filter: invert(1) brightness(1.2);
}

/* ==================== ALERTS ==================== */
.alert {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1rem;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeeba;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* ==================== CHARTS ==================== */
.card canvas {
    max-height: 300px;
}

/* ==================== BADGES & STATUS ==================== */
.badge-success {
    background-color: #28a745;
}

.badge-danger {
    background-color: #dc3545;
}

.badge-warning {
    background-color: #ffc107;
    color: #000;
}

/* ==================== UTILITY CLASSES ==================== */
.text-muted {
    color: var(--text-muted) !important;
}

.text-dark {
    color: var(--text-dark) !important;
}

.bg-light {
    background-color: var(--bg-light) !important;
}

.border {
    border-color: var(--border-color) !important;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .container-main {
        padding: 1rem 0;
    }

    .nav-tabs {
        flex-wrap: wrap;
    }

    .nav-tabs .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    .stat-card {
        margin-bottom: 1rem;
    }

    .table-responsive {
        font-size: 0.85rem;
    }

    .card-body {
        padding: 1rem;
    }

    .login-card {
        max-width: 90%;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .stat-card {
    animation: fadeIn 0.3s ease-out;
}

.tab-pane {
    animation: fadeIn 0.3s ease-out;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-orange);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-orange);
}

/* ==================== PRICE GRID ==================== */
#pricesGrid .col-md-6 {
    margin-bottom: 1rem;
}

.price-input {
    max-width: 80px;
}

/* ==================== CHAIR GRID ==================== */
.chair-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding: 20px 0;
}

.chair-card {
    padding: 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid #ddd;
    text-align: center;
    user-select: none;
}

.chair-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.chair-card.komfort {
    background-color: #ffc107;
    border-color: #ff9800;
    color: black;
}

.chair-card.klassik {
    background-color: #ffffff;
    border-color: #999;
    color: black;
}

.chair-card.freiflaehe {
    background-color: #e0e0e0;
    border-color: #999;
    border-style: dotted;
    border-width: 2px;
    color: #666;
    opacity: 0.6;
}

.chair-card.zugang {
    background-color: #ccffcc;
    border-color: #66cc66;
    color: black;
}

.chair-position {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 5px;
    opacity: 0.7;
}

.chair-name {
    font-size: 18px;
    font-weight: bold;
    word-break: break-word;
}

.chair-type {
    font-size: 11px;
    margin-top: 8px;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .chair-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    nav, .btn, .form-control {
        display: none;
    }

    .table {
        font-size: 0.9rem;
    }

    .card {
        page-break-inside: avoid;
    }
}